Machine for handling strip material



J. ETTL MACHINE FOR HANDLING STRIP MATERIAL Original Filed April 30, 1937 2 Sheets-Sheet 1 INVENTOR ossnv 172., Wmy

A ORNEY Nov. 23, 1943. J. ETTL 2,335,177

' MACHINE For HANDLING STRIP MATERIAL Original Filed April 30, 1937 2 Sheets-Sheet 2 mE= IIIIIII v INVENTOR -70 SEPH E 7- TL Patented Nov. 23, 1943 UNITED STATES PATENT OFFICE 2,335,177 mom son HANDLING s'ran- Joseph am, minimal, or. 1., asslgnor to Potdevin Maehin e Company,

notation of New York Original application April 30, 1937, Serial No.

139,907. Divided Brooklyn, N. 1., a corand this application September 19, 1942, Serial No. 458,952

This invention relates improvements in machines for handling strip material and is particularly directed to machines for applying coating machine.

This application is a division of my co-pending application, Serial No. 139,907, filed April 30, 1937.

One of the objects of the present invention'is the provision of a machine of the character indicated wherein fluid, such as oil, for example, is heated by electric means and is circulated in such a manner as properly to heat the strips as the same are passed through the machine to set the coating material which has been applied thereto.

Another object of the present invention resides in the provision of a machine or press wherein means are provided for draining the oil whereby the parts of the press are heated solely by external radiant heating means. I

A still further object of the invention resides in the provision of means for maintaining the strips heated until the same pass out of the machine to a chilling device where the coating material is finally set.

Other objects of the present invention will be manifest from the following description and the accompanying drawings, in which Fig. l is a side elevation of my improved device;

Fig. 2 is a plan view of the same with the upper cylinder and other parts removed for clarity of illustration;

Fig. 3 is aplan view of the machine; and

I Fig. 4 is a sectional view of the heated blanket roller or plate cylinder.

Referring to the drawings in detail: 2 desig nates a frame or support for th device having a pulley 4 mounted on a shaft 6 and driven from a suitable source (not shown) through a belt 8.

The shaft 6 carries a pinion l meshing with another pinion I 2 which in turn is in mesh with a gear l4 on a shaft It carrying upper feed or backing roller or cylinder IS.

The gear l4 meshes with a gear mounted on shaft 22 carrying a lower plate cylinder .cr blanket roller 24. This roller is provided with a removable blanket 26, secured at one end to the roller by a clamp 28 which is pivoted at 30 and latched in clamping position by means of latch 32. The

' the concaved cover of an enclosed other end of the blanket is wound on. a rod 34 having a pawl and ratchet arrangement 36 associated therewith for the purpose of tightening the blanket about the roller.

The blanket 26 receives coating material fromacoating-applying or form roller 38 mounted on a shaft 48 which is driven by means of a sprocket chain 42 from the shaft 6. The form roller 38 receives the coating material from a fountain roller '44 which dips into a tank 46 formed in heated oil tank 48 which will be described presently.

A table 50 is provided for feeding the strips of material to the machine. Thi table is sup,-'

ported at one end by the frame 2 of the machine and at its other end by a support 52. As the strips are fed from the table between the backing cylinder or roller l8 and the plate cylinder or roller 24 the blanket 26 contacts the lower face of the strips and applies the coating material thereto. As the strips pass betweentherollers the forward end thereof is gripped by a gripper 54 carried by the backing roller 18 in th usual manner and conveyed about the roller l 8 and deposited on a conveyor belt '53, which conveys the same out of the machine.

The plate cylinder 24 is enclosed in a cylindrical housing B0,.prcvided with a cover or door 62 hinged thereto at 64 to provide ready access to the blanket. This cover is provided with electric heating elements 66 receiving current from any suitable source of power through conductors 68. The cylindrical housing 66 also encloses a series of heating coils it through which heated oil or other fluid is circulated. The electric heating elements 66 and the heating coils 10, it will be appreciated, will maintain the blanket 26 in heated condition during the rotation of the roller.

The backing roller I3 is provided with a hinged cover or door 12 similar to the door 62 of the plate cylinder 24 whereby inspection may readily be made.

When oil is used as the heating medium it is heated in the closed tank 48 by means of an immersed electric heating element 16 which receives its energy from any suitable source through the conductors 15. A thermostatic switch may be provided in housing 11 for regulating or controlling the heat of the fluid in the tank 48.

A fluid conduit 18 leads from the bottom of the tank 48 to the intake side of a pump driven by an electric motor 82. When the pump 80 is not in operation the fluid obviously will be retained in the tank 48 and the conduit 18.

Connected to the outlet side of the pump 80 v is a conduit 84 provided with several branch lines.

One of these lines leads to a drain 86 which when the valve 88 thereof is open will allow the tank 48 and all ofthe conduits hereinafter described to be drained of oil by driving the pump 80. Another branch line 80 leads to one end of the hollow shaft 48 of the form roller 38, the heating fluid passing out of this shaft at the other end through a coiled conduit 92 connected to one end of hollow shaft 84 of the roller 44, thence through the conduit 88 back to th tank 48.

Another branch line leads from the pump to each leading to one of four chambers I08 in the plate cylinder. The fluid passing into these chambers serves to heat the plate cylinder from the interior and passes out of the chambers through branches I08 to return. line I08 back to the tank 48. The tank 48 may be drained at M0 when the pump 80 is not in operation. Thev tank 48 is supplied with oil orother fluid from.

the filler tank II2 which has a'conduit H3 in its lower end in communication with the return line I06 leading to the tank 48. The filler tank is also provided with an overflow line IN communicating directly with the tank 48.

When the strips of material pass between the rollers or cylinders i8 and 24 and are deposited on the conveyor belt 56 they are subjected to further heat treatment. For this purpose I provide a heater H6 which is mounted on rails H8 directly above the conveyor belt 56. This heater receives its current through conductors H and may be controlled by thermostat l'll.

The strips pass from the conveyor belt 56 to another conveyor belt H0, and as they are received by this last mentioned belt are subject to a chilling action to finally set the coating material which has been applied thereto. H22 designates the chilling unitwhich may be of any suitable type and which is mounted on a bracket I28 and hinged to the machine frame, the other end of the bracket I24 being supported on an adjustable bracket I26 whereby the chilling unit may be moved toward and away fromthe conveyor belt I20.

From the foregoing it will be appreciated that when the oil'in the tank 48 is heated by means of the heating element I6 the heat will be transferred to the concaved cover containing the coating, material whereby the same will be maintained in a heated condition. The oil, as will be appreciated, is pumped from the tank through the various conduits described for the purpose of heating the blanket and the various rollers mentioned when the machine is in operation. The heating elements 66 in the cover of the blanket roller'are electric heating elements. I

prefer this arrangement rather than employing the heating pipes in the cover as a more convenient form. It will be appreciated, however,

changes may be made therein without departing from the spirit and scope of my invention.

What I claim is:

1.In a press of the character described, a

fountain for coating material, a fountain roller partially immersed therein, a form roller contacting said fountain roller and a plate cylinder contacting said form roller, heating means for said fountain, rollers and cylinder consisting solely of heating means for said fountain to maintain fluidity of its contents, and external radiant heating means for said cylinder.

2. In a press of the character described, a fountain for coating material, a fountain roller partially immersed therein, a form roller contacting said fountain roller and a plate' cylinder contacting said form roller, heating means for said fountain, rollers and cylinder consisting solely of heating means for said fountain to maintain fluidity of its contents, and external radiant heating means partially surrounding said cylinder.

3. In a press of the character described, a fountain for coating material, a fountain roller partially immersed therein, a form roller contacting said fountain roller and a plate cylinder contacting said form roller, heating means for said fountain, rollers and cylinder consisting solely of heating means for said fountain to maintain fluidity of its contents, and'external radiant heating means arranged in a plurality of hoods partially enclosing said cylinder.

4. In a press of the character described, a fountain for coating material, a fountain roller partially immersed therein, a form roller contacting said fountain roller and a plate cylinder contacting said form roller, heating means for said fountain rollers and cylinder consisting solely of heating means for said fountain to maintain fluidity ofits contents and external radiant electrical heating means for said cylinder.

5. In a press of the character described, a fountain for coating material, a fountain roller partially immersed therein, a form roller contacting said fountain roller, a plate cylinder contacting said form roller and an impression cylinder, heating means for said fountain, rollers and cylinders consisting solely of heating means for that the heating elements 66 will provide a con- 1 said fountain to maintain fluidity of its contents, and external radiant heating means for said cylinders.

6. In a press of the character described, a fountain for coating material, a fountain roller partially immersed therein, a form roller contactingsaid fountain roller and a plate cylinder contacting said form roller, heating means for saidfountain, rollers and cylinder consisting solely of heating means for said fountain to maintain fluidity of its contents, and external radiant heating means for said cylinders, and means to control the temperature of said radiant heating means.

7. In a press of the character described, a coating mechanism comprising a fountain and a printing mechanism comprising a plate cylinder in cooperation with said coating mechanism, heating means for said mechanisms consisting solely of a fountain heater, and radiant heating means externally adjacent said printing mechanism. l.

JOSEPH EI'I'L. 

